Contents
UHF FM Transceiver LPD FM Transceiver
Repair Notes
Introduction
Ordering Parts
Table of Contents
ITA, ITA-1 CSA, CSA-1
Section Specifications
Ctcss Frequency List
Channel Frequency List
RF Unit
Inside Views
Main Unit
Removing the RF Unit
Disasembly Instructions
Removing the Rear Panel
Removing the Main Unit
RF Circuit RF Unit
Antenna Switching Circuit RF Unit
Circuit Description
Receiver Circuits
PLL Circuits RF Unit
Transmitter Circuits
CPU Main unit IC1
Power Supply Circuits Voltage Line
Port Allocations
Required Test Equipment
Section Adjustment Procedures
Entering the Adjustment Mode
Preparation
Deviation
Adjustment
Test
C63
R206
R50
Order Description
Section Parts List
RF Board
Coil Eljre 18NG-F
C211 4030006860
Cabinet Parts Chassis Parts
Mechanical Parts and Disassembly
Accessories
Unit abbreviation C Chassis PARTS, RF RF UNIT, M Main Unit
Diodes
SEMI-CONDUCTOR Information
Transistor and FET’S
TOP View IC-4008A
Board Layouts
Main Unit
Bottom View IC-4008A
R58
C55 C17 R23 C18 C52
PSC Batt MOD VOL GND
TOP View
RF Unit
Bottom View
FI3
IC1
Block Diagram
DTA144EU
Voltage Diagram
RF Unit
16, Kamihigashi, Hirano-ku, Osaka 547-0002, Japan
16, Kamihigashi, Hirano-ku, Osaka, 547-0002, Japan
R76 R74
D101
D5
C17 R23
IC6